CN104765118A - Waterproof loose tube and optical cable using loose tube - Google Patents
Waterproof loose tube and optical cable using loose tube Download PDFInfo
- Publication number
- CN104765118A CN104765118A CN201510196323.7A CN201510196323A CN104765118A CN 104765118 A CN104765118 A CN 104765118A CN 201510196323 A CN201510196323 A CN 201510196323A CN 104765118 A CN104765118 A CN 104765118A
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- Prior art keywords
- loose tube
- waterproof
- waterproof loose
- armor
- type
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- 230000003287 optical effect Effects 0.000 title claims abstract description 42
- 239000011248 coating agent Substances 0.000 claims abstract description 45
- 238000000576 coating method Methods 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 26
- -1 polypropylene Polymers 0.000 claims abstract description 16
- 239000004743 Polypropylene Substances 0.000 claims abstract description 12
- 239000013307 optical fiber Substances 0.000 claims abstract description 12
- 229920001155 polypropylene Polymers 0.000 claims abstract description 12
- 229920001707 polybutylene terephthalate Polymers 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 230000003014 reinforcing effect Effects 0.000 claims description 32
- 238000012856 packing Methods 0.000 claims description 22
- 230000000903 blocking effect Effects 0.000 claims description 17
- 230000004888 barrier function Effects 0.000 claims description 10
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 9
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 9
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 8
- 238000004078 waterproofing Methods 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 6
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 description 4
- 229920000092 linear low density polyethylene Polymers 0.000 description 4
- 239000004707 linear low-density polyethylene Substances 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 229920001179 medium density polyethylene Polymers 0.000 description 2
- 239000004701 medium-density polyethylene Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
- G02B6/4433—Double reinforcement laying in straight line with optical transmission element
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention belongs to the technical field of cables, and relates to a waterproof loose tube. The waterproof loose tube comprises a cylindrical tube wall body and multiple optical fibers. The waterproof loose tube is characterized in that a cavity in the tube wall body is provided with a waterproof layer which is composed of a waterproof coating and a base band body, a base band layer and the tube wall body are adhered into a whole, the waterproof coating is attached to the base band body, the cylindrical cavity is formed in the waterproof coating, and the optical fibers are located in the cylindrical cavity formed in the waterproof coating; the tube wall body is made of modified polypropylene materials or polybutylene terephthalate materials; the base band is made of the same materials with the tube wall body. The invention further discloses an optical cable using the waterproof loose tube. The waterproof loose tube and the optical cable using the waterproof loose tube have the advantages of being more excellent in waterproof property, higher in reliability, easier to manufacture and the like.
Description
Technical field
The invention belongs to technical field of cables, especially relate to waterproof Loose tube and use the optical cable of this Loose tube.
Background technology
The optical fiber that GB/T 9771 specifies is made up of fibre core, covering, coat, and the main material of fibre core and covering is all silicon dioxide, and silicon dioxide very easily produces micro-crack in stretching; micro-crack very easily ruptures when meeting wet; cause the interruption of communication, therefore, optical fiber is needed to do waterproofing protection.
Adopt the mode of factice for filling in prior art to block water or adopt the mode of spraying water-proofing powder or putting water blocking yarn to block water, ointment is contaminated environment very easily; Water-proofing powder or water blocking yarn present alkalescence, also can accelerate the fracture of optical fiber micro-crack, and the water-proofing powder of loose placement or water blocking yarn can rocking and be subjected to displacement with cable, cause the instability of performance.
Summary of the invention
In order to solve the problem, an object of the present invention discloses a kind of waterproof Loose tube; Two of object of the present invention discloses the optical cable using this Loose tube; They realize by the following technical solutions.
Waterproof Loose tube, it includes columniform pipe wall body, multifiber, it is characterized in that, in pipe wall body internal cavities, there is water barrier, described water barrier is made up of water-proof coating and base band body, baseband layer and pipe wall body stick to one, water-proof coating sticks on base band body, and water-proof coating inside forms columniform cavity, and optical fiber is arranged in the cylindrical cavity that water-proof coating inside is formed; The material of described pipe wall body is modified polypropene or polybutylene terephthalate; Described baseband layer is the material identical with pipe wall body.
Waterproof Loose tube described above, is characterized in that described water-proof coating is can the resin of moisture absorption or the potpourri that is made up of the starting material of following weight portion: vinyl acetate co-polymer 25 ~ 35 parts, polyacrylonitrile 10 ~ 18 parts, polypropylene phthalein amine 22 ~ 28 parts, polyvinyl alcohol (PVA) and cyclic acid anhydride react the modified polyvinylalcohol 8 ~ 18 parts, water-proofing powder 10 ~ 15 parts, peroxy dicarbonate di-tert-butyl cyclohexyl ester 3 ~ 5 parts, the dibenzoyl peroxide 1 ~ 3 part that obtain.
Waterproof Loose tube described above, is characterized in that described optical fiber is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or A1d type or OM1 type or OM2 type or OM3 type.
Waterproof Loose tube described above, is characterized in that the material of described pipe wall body is modified polypropene or polybutylene terephthalate.
Waterproof Loose tube described above, is characterized in that the thickness of described water barrier is 0.3 ~ 0.6mm.
Waterproof Loose tube described above, is characterized in that the thickness of described baseband layer is 0.2 ~ 0.8mm.
Use the optical cable of waterproof Loose tube, it is characterized in that it includes a waterproof Loose tube described above, outside waterproof Loose tube, there is water blocking layer, outside water blocking layer, there is armor, be placed with to armor external symmetry two reinforcing elements, armor, reinforcing element envelope by restrictive coating, the minor increment at reinforcing element and restrictive coating edge is 0.6mm.
Use the optical cable of waterproof Loose tube, it is characterized in that it includes a waterproof Loose tube described above, outside waterproof Loose tube, there is water blocking layer, outside water blocking layer, there is armor, four reinforcing elements are placed with outside armor, be one group with two to be placed on symmetrically outside armor, armor, reinforcing element envelope by restrictive coating, the minor increment at reinforcing element and restrictive coating edge is 0.6mm.
Use the optical cable of waterproof Loose tube, it is characterized in that it comprises reinforcing element, is distributed in outside reinforcing element many waterproof Loose tube described above, have armor outside waterproof Loose tube, the outer extrusion molding of armor is coated with restrictive coating.
Use the optical cable of waterproof Loose tube, it is characterized in that it comprises reinforcement, is distributed in outside reinforcement at least one waterproof Loose tube described above and at least one gasket for packing, have armor outside waterproof Loose tube and gasket for packing, the outer extrusion molding of armor is coated with restrictive coating; And the quantity of the quantity of waterproof Loose tube and gasket for packing and be not less than 3.
The optical cable of use waterproof Loose tube described above, is characterized in that the plastic layer that described reinforcement also can be coated on outside reinforcing element by reinforcing element and extrusion molding is formed.
The optical cable of use waterproof Loose tube described above, is characterized in that having the filling material that blocks water in the gap that described waterproof Loose tube, gasket for packing, armor are formed.
The optical cable of use waterproof Loose tube described above, it is characterized in that described reinforcing element material be steel wire or copper wire or glass fiber reinforced plastics.
The optical cable of use waterproof Loose tube described above, is characterized in that the material of described restrictive coating is low-smoke non-halogen flame-retardant tygon or linear low density polyethylene or Low Density Polyethylene or medium density polyethylene or high density polyethylene.
The optical cable of use waterproof Loose tube described above, is characterized in that the material of described armor is steel band or aluminium strip or steel wire or copper wire.
The optical cable of use waterproof Loose tube described above, is characterized in that the material of described gasket for packing is polypropylene or tygon.
The present invention have water permeability resistance can more outstanding, reliability is higher, the more easy Advantageous Effects such as manufacture.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of waterproof Loose tube in the invention process example 1.
Fig. 2 is the cross-sectional structure schematic diagram of the first embodiment of optical cable in the present invention.
Fig. 3 is the cross-sectional structure schematic diagram of the second embodiment of optical cable in the present invention.
Fig. 4 is the cross-sectional structure schematic diagram of the 3rd embodiment of optical cable in the present invention.
Fig. 5 is the cross-sectional structure schematic diagram of the 4th embodiment of optical cable in the present invention.
Fig. 6 is the cross-sectional structure schematic diagram of the 5th embodiment of optical cable in the present invention.
Fig. 7 is the cross-sectional structure schematic diagram of the 6th embodiment of optical cable in the present invention.
Embodiment
embodiment 1
Ask for an interview Fig. 1, waterproof Loose tube, it includes columniform pipe wall body 4, multifiber 1, it is characterized in that, in pipe wall body internal cavities, there is water barrier, described water barrier is made up of water-proof coating 2 and base band body 3, and baseband layer and pipe wall body stick to one, and water-proof coating sticks on base band body, water-proof coating inside forms columniform cavity, and optical fiber is arranged in the cylindrical cavity that water-proof coating inside is formed; The material of described pipe wall body is modified polypropene or polybutylene terephthalate; Described baseband layer is the material identical with pipe wall body.
Waterproof Loose tube described above, is characterized in that described water-proof coating is can the resin of moisture absorption or the potpourri that is made up of the starting material of following weight portion: vinyl acetate co-polymer 25 ~ 35 parts, polyacrylonitrile 10 ~ 18 parts, polypropylene phthalein amine 22 ~ 28 parts, polyvinyl alcohol (PVA) and cyclic acid anhydride react the modified polyvinylalcohol 8 ~ 18 parts, water-proofing powder 10 ~ 15 parts, peroxy dicarbonate di-tert-butyl cyclohexyl ester 3 ~ 5 parts, the dibenzoyl peroxide 1 ~ 3 part that obtain.
Waterproof Loose tube described above, is characterized in that described optical fiber is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or A1d type or OM1 type or OM2 type or OM3 type.
Waterproof Loose tube described above, is characterized in that the material of described pipe wall body is modified polypropene or polybutylene terephthalate.
Waterproof Loose tube described above, is characterized in that the thickness of described water barrier is 0.3 ~ 0.6mm.
Waterproof Loose tube described above, is characterized in that the thickness of described baseband layer is 0.2 ~ 0.8mm.
embodiment 2
Ask for an interview Fig. 2, and with reference to figure 1, use the optical cable of waterproof Loose tube, it is characterized in that it includes the waterproof Loose tube described in an embodiment 1, there is outside waterproof Loose tube water blocking layer 5, there is outside water blocking layer armor 6, be placed with to armor external symmetry two reinforcing elements 7, armor, reinforcing element envelope by restrictive coating 8, the minor increment at reinforcing element and restrictive coating edge is 0.6mm.
embodiment 3
Ask for an interview Fig. 3, and with reference to figure 1, use the optical cable of waterproof Loose tube, it is characterized in that it includes the waterproof Loose tube described in an embodiment 1, there is outside waterproof Loose tube water blocking layer 5, there is outside water blocking layer armor 6, four reinforcing elements 7 are placed with outside armor, be one group with two to be placed on symmetrically outside armor, armor, reinforcing element envelope by restrictive coating 8, the minor increment at reinforcing element and restrictive coating edge is 0.6mm.Compared with embodiment 2, needing in pulling force situation large equally, the reinforcement diameter in this embodiment can reduce, and when keeping the thickness of restrictive coating constant, can realize the reduction of diameter, the minimizing that jacket layer material consumes, the reduction of cost.
The optical cable of above-mentioned embodiment 2 or the use waterproof Loose tube described in embodiment 3, is characterized in that the material of described water blocking layer is waterstop or water blocking yarn or water-ring.
embodiment 4
Ask for an interview Fig. 4, and with reference to figure 1, use the optical cable of waterproof Loose tube, it is characterized in that it comprises reinforcing element 7, is distributed in the waterproof Loose tube described in five embodiments 1 outside reinforcing element, have armor 6 outside waterproof Loose tube, the outer extrusion molding of armor is coated with restrictive coating 8.
In this embodiment, being not limited to five waterproof Loose tube, can also be comprise other many waterproof Loose tube.
embodiment 5
Ask for an interview Fig. 5, and with reference to figure 1, use the optical cable of waterproof Loose tube, use the optical cable of waterproof Loose tube, it is characterized in that it comprises reinforcing element 7, is distributed in the waterproof Loose tube described in four embodiments 1 outside reinforcing element and a gasket for packing 9, have armor 6 outside waterproof Loose tube and gasket for packing, the outer extrusion molding of armor is coated with restrictive coating 8.
In this embodiment, be not limited to four waterproof Loose tube, can also be comprise other many waterproof Loose tube, but at least there is a waterproof Loose tube.
In this embodiment, be not limited to a gasket for packing, can also be comprise other many gasket for packings, but at least there is a gasket for packing, and the quantity of the quantity of waterproof Loose tube and gasket for packing and be not less than 3.
embodiment 6
Ask for an interview Fig. 6, and with reference to figure 1, use the optical cable of waterproof Loose tube, use the optical cable of waterproof Loose tube, it is characterized in that it comprises reinforcement, is distributed in the waterproof Loose tube described in four embodiments 1 outside reinforcement and a gasket for packing 9, have armor 6 outside waterproof Loose tube and gasket for packing, the outer extrusion molding of armor is coated with restrictive coating 8, and described reinforcement is made up of reinforcing element 7 and the plastic layer 71 be positioned at outside reinforcing element 7.
In this embodiment, be not limited to four waterproof Loose tube, can also be comprise other many waterproof Loose tube, but at least there is a waterproof Loose tube.
In this embodiment, be not limited to a gasket for packing, can also be comprise other many gasket for packings, but at least there is a gasket for packing, and the quantity of the quantity of waterproof Loose tube and gasket for packing and be not less than 3.
embodiment 7
Ask for an interview Fig. 7, and with reference to figure 1, use the optical cable of waterproof Loose tube, substantially with embodiment 6, difference is to have the filling material 10 that blocks water in the gap that waterproof Loose tube, gasket for packing, armor are formed.
The optical cable of the use waterproof Loose tube described in the arbitrary embodiment of above-mentioned embodiment 2 to embodiment 7, it is characterized in that described reinforcing element material be steel wire or copper wire or glass fiber reinforced plastics.
The optical cable of the use waterproof Loose tube described in the arbitrary embodiment of above-mentioned embodiment 2 to embodiment 7, is characterized in that the material of described restrictive coating is low-smoke non-halogen flame-retardant tygon or linear low density polyethylene or Low Density Polyethylene or medium density polyethylene or high density polyethylene.
The optical cable of the use waterproof Loose tube described in the arbitrary embodiment of above-mentioned embodiment 2 to embodiment 7, is characterized in that the material of described armor is steel band or aluminium strip or steel wire or copper wire.
The optical cable of the use waterproof Loose tube described in the arbitrary embodiment of above-mentioned embodiment 5 to embodiment 7, is characterized in that the material of described gasket for packing is polypropylene or tygon.
In the present invention, because the water barrier of pipe wall body inside is made up of water-proof coating and base band body, base band body is the material identical with pipe wall body, therefore base band body and pipe wall body have quite firmly adhesive property; Because water-proof coating has superior water absorbing properties, even if therefore have moisture enter water-proof coating inside formed columniform cavity, also can be absorbed completely by water-proof coating, reach the performance of available protecting optical fiber.
Get each 300 of the waterproof Loose tube in the present invention, the optical cable in each embodiment, every root is all 1 meter, water penetration test is done under 1 meter of high water column pressure, after 24 hours, the other end does not find that current ooze out phenomenon, places 28 days continuously, has just occurred 22 infiltration phenomenons, therefore, waterproof Loose tube of the present invention, optical cable have extremely excellent block-water performance; And Loose tube of the prior art, optical cable, get 1 meter of sample and carry out same test, in 48 hours, all occur the infiltration phenomenon of different situations.
Therefore, the present invention have water permeability resistance can more outstanding, reliability is higher, the more easy Advantageous Effects such as manufacture.
The present invention is not limited to above-mentioned preferred forms, and should be appreciated that design of the present invention can be implemented to use by other various forms, they drop in protection scope of the present invention equally.
Claims (10)
1. waterproof Loose tube, it includes columniform pipe wall body, multifiber, it is characterized in that, in pipe wall body internal cavities, there is water barrier, described water barrier is made up of water-proof coating and base band body, baseband layer and pipe wall body stick to one, water-proof coating sticks on base band body, and water-proof coating inside forms columniform cavity, and optical fiber is arranged in the cylindrical cavity that water-proof coating inside is formed; The material of described pipe wall body is modified polypropene or polybutylene terephthalate; Described baseband layer is the material identical with pipe wall body.
2. waterproof Loose tube according to claim 1, is characterized in that described water-proof coating is can the resin of moisture absorption or the potpourri that is made up of the starting material of following weight portion: vinyl acetate co-polymer 25 ~ 35 parts, polyacrylonitrile 10 ~ 18 parts, polypropylene phthalein amine 22 ~ 28 parts, polyvinyl alcohol (PVA) and cyclic acid anhydride react the modified polyvinylalcohol 8 ~ 18 parts, water-proofing powder 10 ~ 15 parts, peroxy dicarbonate di-tert-butyl cyclohexyl ester 3 ~ 5 parts, the dibenzoyl peroxide 1 ~ 3 part that obtain.
3. waterproof Loose tube according to claim 2, is characterized in that described optical fiber is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or A1d type or OM1 type or OM2 type or OM3 type.
4. waterproof Loose tube according to claim 3, is characterized in that the material of described pipe wall body is modified polypropene or polybutylene terephthalate.
5. waterproof Loose tube according to claim 4, is characterized in that the thickness of described water barrier is 0.3 ~ 0.6mm.
6. waterproof Loose tube according to claim 5, is characterized in that the thickness of described baseband layer is 0.2 ~ 0.8mm.
7. use the optical cable of waterproof Loose tube, it is characterized in that it includes the waterproof Loose tube described in a claim 1 to claim 6 any one, outside waterproof Loose tube, there is water blocking layer, outside water blocking layer, there is armor, be placed with to armor external symmetry two reinforcing elements, armor, reinforcing element envelope by restrictive coating, the minor increment at reinforcing element and restrictive coating edge is 0.6mm.
8. use the optical cable of waterproof Loose tube, it is characterized in that it includes the waterproof Loose tube described in a claim 1 to claim 6 any one, outside waterproof Loose tube, there is water blocking layer, outside water blocking layer, there is armor, four reinforcing elements are placed with outside armor, be one group with two to be placed on symmetrically outside armor, armor, reinforcing element envelope by restrictive coating, the minor increment at reinforcing element and restrictive coating edge is 0.6mm.
9. use the optical cable of waterproof Loose tube, it is characterized in that it comprises reinforcing element, is distributed in many claims 1 outside reinforcing element to the waterproof Loose tube described in claim 6 any one, have armor outside waterproof Loose tube, the outer extrusion molding of armor is coated with restrictive coating.
10. use the optical cable of waterproof Loose tube, it is characterized in that it comprises reinforcement, is distributed at least one claim 1 outside reinforcement to the waterproof Loose tube described in claim 6 any one and at least one gasket for packing, have armor outside waterproof Loose tube and gasket for packing, the outer extrusion molding of armor is coated with restrictive coating; And the quantity of the quantity of waterproof Loose tube and gasket for packing and be not less than 3.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710714861.XA CN107357012A (en) | 2015-04-23 | 2015-04-23 | A kind of waterproof Loose tube and the optical cable using the Loose tube |
| CN201710714867.7A CN107462958A (en) | 2015-04-23 | 2015-04-23 | Waterproof Loose tube and the optical cable using the Loose tube |
| CN201510196323.7A CN104765118B (en) | 2015-04-23 | 2015-04-23 | Waterproof Loose tube and the optical cable using the Loose tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196323.7A CN104765118B (en) | 2015-04-23 | 2015-04-23 | Waterproof Loose tube and the optical cable using the Loose tube |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710714861.XA Division CN107357012A (en) | 2015-04-23 | 2015-04-23 | A kind of waterproof Loose tube and the optical cable using the Loose tube |
| CN201710714867.7A Division CN107462958A (en) | 2015-04-23 | 2015-04-23 | Waterproof Loose tube and the optical cable using the Loose tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104765118A true CN104765118A (en) | 2015-07-08 |
| CN104765118B CN104765118B (en) | 2017-11-28 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710714861.XA Pending CN107357012A (en) | 2015-04-23 | 2015-04-23 | A kind of waterproof Loose tube and the optical cable using the Loose tube |
| CN201510196323.7A Expired - Fee Related CN104765118B (en) | 2015-04-23 | 2015-04-23 | Waterproof Loose tube and the optical cable using the Loose tube |
| CN201710714867.7A Pending CN107462958A (en) | 2015-04-23 | 2015-04-23 | Waterproof Loose tube and the optical cable using the Loose tube |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710714861.XA Pending CN107357012A (en) | 2015-04-23 | 2015-04-23 | A kind of waterproof Loose tube and the optical cable using the Loose tube |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710714867.7A Pending CN107462958A (en) | 2015-04-23 | 2015-04-23 | Waterproof Loose tube and the optical cable using the Loose tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN107357012A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646797A (en) * | 2017-01-17 | 2017-05-10 | 烽火通信科技股份有限公司 | Water absorption type optical fiber loose tube and manufacturing method thereof |
| WO2023120483A1 (en) * | 2021-12-20 | 2023-06-29 | 住友電気工業株式会社 | Optical fiber cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1194038A (en) * | 1995-08-24 | 1998-09-23 | 欧文斯科尔宁格公司 | Water blocking optical cable reinforcement |
| CN101706605A (en) * | 2009-11-11 | 2010-05-12 | 郑振卫 | Central tube bundle optical cable with improved structure |
| CN201903677U (en) * | 2010-12-16 | 2011-07-20 | 江苏俊知光电通信有限公司 | Waterproof optical cable |
| CN204694890U (en) * | 2015-04-23 | 2015-10-07 | 吉林吉信通信咨询设计有限公司 | Use the optical cable of waterproof Loose tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201845114U (en) * | 2010-10-21 | 2011-05-25 | 天津有容蒂康光电科技有限公司 | Indoor single core optical cable |
| CN102313944B (en) * | 2011-06-21 | 2013-01-23 | 魏梦姣 | Hybrid optical cable |
| CN102708974B (en) * | 2012-06-11 | 2013-12-04 | 沈群华 | Flame-retardant waterproof ointment incompatible with flame-retardant sheath material and used for filling cable |
| CN202929266U (en) * | 2012-12-14 | 2013-05-08 | 王笑梅 | Mining optical cable |
| CN103341986B (en) * | 2013-06-07 | 2015-08-19 | 南通和泰通讯器材有限公司 | High-strength FRP strengthening core production technology |
| CN104765119B (en) * | 2015-04-23 | 2017-07-04 | 松普科技(东莞)有限公司 | The method for manufacturing layer-stranding cable |
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2015
- 2015-04-23 CN CN201710714861.XA patent/CN107357012A/en active Pending
- 2015-04-23 CN CN201510196323.7A patent/CN104765118B/en not_active Expired - Fee Related
- 2015-04-23 CN CN201710714867.7A patent/CN107462958A/en active Pending
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| CN1194038A (en) * | 1995-08-24 | 1998-09-23 | 欧文斯科尔宁格公司 | Water blocking optical cable reinforcement |
| CN101706605A (en) * | 2009-11-11 | 2010-05-12 | 郑振卫 | Central tube bundle optical cable with improved structure |
| CN201903677U (en) * | 2010-12-16 | 2011-07-20 | 江苏俊知光电通信有限公司 | Waterproof optical cable |
| CN204694890U (en) * | 2015-04-23 | 2015-10-07 | 吉林吉信通信咨询设计有限公司 | Use the optical cable of waterproof Loose tube |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646797A (en) * | 2017-01-17 | 2017-05-10 | 烽火通信科技股份有限公司 | Water absorption type optical fiber loose tube and manufacturing method thereof |
| WO2023120483A1 (en) * | 2021-12-20 | 2023-06-29 | 住友電気工業株式会社 | Optical fiber cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104765118B (en) | 2017-11-28 |
| CN107357012A (en) | 2017-11-17 |
| CN107462958A (en) | 2017-12-12 |
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